<template>
  <el-container>
    <el-aside width="200px">
      <el-menu
        mode="vertical"
        unique-opened
        style="height:100vh"
        :default-active="$route.path"
        router
      >
        <el-submenu
          v-for="(item, index) in menu.items"
          :index="`${index}`"
          :key="`menu-item-${index}`"
        >
          <template slot="title">{{item.title}}</template>
          <el-menu-item
            v-for="(subItem, subIndex) in item.items"
            :key="`menu-subItem-${subIndex}-${index}`"
            :index="subItem.path"
          >{{subItem.title}}</el-menu-item>
        </el-submenu>
      </el-menu>
    </el-aside>
    <el-container>
      <el-header>
        <h3>后台管理界面</h3>
      </el-header>
      <el-main>
        <router-view :key="$route.path"></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script lang='ts'>
import { Vue, Component } from 'vue-property-decorator';

@Component({})
export default class Main extends Vue {
  menu = {
    items: [
      {
        title: '首页',
        path: '/'
      },
      {
        title: '内容管理',
        items: [
          {
            title: '课程管理',
            path: '/courses/list',
          },
          {
            title: '课时管理',
            path: '/episodes/list',
          },
        ],
      },
      {
        title: '运营管理',
        items: [
          {
            title: '用户管理',
            path: '/users/list',
          },
        ],
      },
    ],
  };
}
</script>

<style lang="scss">
</style>